AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2021 Porsche 911 Turbo S
Overall rating NHTSA-grounded
Above average
Estimated 5-year repair + maintenance cost: $17,000–$24,000
The 2021 Porsche 911 Turbo S has minimal recalls and owner complaints, indicating a high level of reliability. Common issues are rare and components generally perform well over time.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| brake pads | 20,000–30,000 miles | $500–$900 | common |
| tires | 15,000–25,000 miles | $1,000–$1,400 | common |
| battery | 40,000–50,000 miles | $350–$600 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- oil and filter change
- brake fluid replacement
- tire rotation and balance
- coolant replacement
- spark plugs replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- unusual tire wear patterns
- brake noise
- battery drain issues
Generated by gpt-4o on 8/23/2026. Cost ranges are conservative estimates that account for typical regional variation.